expression_load_indirect_packed Class Reference

#include <indirect_packed.h>

Inheritance diagram for expression_load_indirect_packed:

List of all members.

Public Member Functions
virtual	~expression_load_indirect_packed ()
	expression_load_indirect_packed (const expression::pointer &operand, translator_compile *cntxt)
void	post_order_traversal ()
void	logical_traversal (int pprec, label::pointer &true_branch, label::pointer &false_branch, bool fall_through_preference)
expression::pointer	evaluate () const
void	traversal (int pprec)
expression::pointer	optimize () const
expression::pointer	assignment_expression_factory (const expression::pointer &rhs) const
expression::pointer	strip_indirection () const
const symbol *	get_symbol_hint () const
Private Member Functions
	expression_load_indirect_packed ()
	expression_load_indirect_packed (const expression_load_indirect_packed &)
expression_load_indirect_packed &	operator= (const expression_load_indirect_packed &)
Private Attributes
translator_compile &	code
expression::pointer	operand

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Detailed Description

The expression_load_indirect_packed class is used to represent an indirect load expression, via a packed pointer expression.

Definition at line 32 of file indirect_packed.h.

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Constructor & Destructor Documentation

virtual expression_load_indirect_packed::~expression_load_indirect_packed

(

)

[virtual]

The destructor.

expression_load_indirect_packed::expression_load_indirect_packed	(	const expression::pointer &	operand,
		translator_compile *	cntxt
	)

The constructor.

expression_load_indirect_packed::expression_load_indirect_packed

(

)

[private]

The default constructor. Do not use.

expression_load_indirect_packed::expression_load_indirect_packed

(

const expression_load_indirect_packed &

)

[private]

The copy constructor. Do not use.

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Member Function Documentation

void expression_load_indirect_packed::post_order_traversal

(

)

void expression_load_indirect_packed::logical_traversal	(	int	pprec,
		label::pointer &	true_branch,
		label::pointer &	false_branch,
		bool	fall_through_preference
	)

expression::pointer expression_load_indirect_packed::evaluate

(

)

const

void expression_load_indirect_packed::traversal

(

int

pprec

)

[virtual]

The traversal method may be used to traverse each of the declaractions in the list.

Parameters:

pprec

The precedence of the parent expression node.

Implements expression.

expression::pointer expression_load_indirect_packed::optimize

(

)

const [virtual]

The optimize method may be used to evaluate constant expressions, or substitute more efficient expressions.

This is intended to be called by the translator:: expression_statement method, or similar, where the expression is in its final form, and will get no deeper. In other words, when all available information has been provided.

There is no default implementation, even though most optimize implementations return self(), because this gives the compiler no opportunity to remind the authors of new classes that they have forgotten something.

Returns:

If the expression tree is not constant, or it is already as reduced as it can get, it returns itself. Otherwise, it returns a new expression node.

Implements expression.

expression::pointer expression_load_indirect_packed::assignment_expression_factory

(

const expression::pointer &

rhs

)

const [virtual]

The assignment_expression_factory method is used by the assignment_expression method to build an assignment expression node.

The default implementation prints and error saying that the left hand side of the assignment is inappropriate.

Parameters:

rhs

The right hand side of the assignment ("this" is the left hand side).

Note:

The parser will delete this expression tree once the assignment tree has been manufactored. If you wish to keep using this tree, you will need to self() it.

Reimplemented from expression.

expression::pointer expression_load_indirect_packed::strip_indirection

(

)

const [virtual]

The strip_indirection method is used to obtain the address expression of an abstract indirection expression. This is used to pass variables by reference to functions and procedures.

The default implementation returns a NULL pointer, because the error has to be printer by the caller.

Reimplemented from expression.

const symbol* expression_load_indirect_packed::get_symbol_hint

(

)

const [virtual]

The get_symbol_hint method is used to get the symbol associated with the expression.

Returns:

pointer to a symbol, or NULL if there is no hint present

Reimplemented from expression.

expression_load_indirect_packed& expression_load_indirect_packed::operator=

(

const expression_load_indirect_packed &

)

[private]

The assignment operator. Do not use.

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Member Data Documentation

translator_compile& expression_load_indirect_packed::code [private]

The code instance variable is used to remember where to send our generated code.

Definition at line 78 of file indirect_packed.h.

expression::pointer expression_load_indirect_packed::operand [private]

The operand instance variable is used to remember the address to be indirected.

Definition at line 84 of file indirect_packed.h.

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The documentation for this class was generated from the following file:

• /home/archives/ucsd-psystem-xc/branch.0/branch.0/delta27403.167/ucsdpsys_compile/expression/load/indirect_packed.h

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